<!DOCTYPE html>
<html lang="en">

<head>
    <link rel="stylesheet" href="./demo.css">

    <meta charset="UTF-8">
    <title>五子棋</title>
</head>

<body>

    <div class="main">
        <div class="qipan" id="qipan">
        </div>
        <div class="hq"><button id="hq">悔棋</button></div>
    </div>
    <script src="./demo.js"></script>

</body>

</html>